net.sourceforge.plantuml.ftp.FtpConnexion Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write : * sequence diagram, * use case diagram, * class diagram, * activity diagram, * component diagram, * state diagram * object diagram
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/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2013, Arnaud Roques
 *
 * Project Info:  http://plantuml.sourceforge.net
 * 
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * Original Author:  Arnaud Roques
 * 
 * Revision $Revision: 3830 $
 *
 */
package net.sourceforge.plantuml.ftp;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.SourceStringReader;

public class FtpConnexion {

	private final String user;
	private final Map incoming = new HashMap();
	private final Map outgoing = new HashMap();

	public FtpConnexion(String user) {
		this.user = user;
	}

	public synchronized void addIncoming(String fileName, String data) {
		if (fileName.startsWith("/")) {
			throw new IllegalArgumentException();
		}
		incoming.put(fileName, data);
	}

	public void removeOutgoing(String fileName) {
		outgoing.remove(fileName);
	}

	public synchronized Collection getFiles() {
		final List result = new ArrayList(incoming.keySet());
		result.addAll(outgoing.keySet());
		return Collections.unmodifiableCollection(result);
	}

	public synchronized byte[] getData(String fileName) {
		if (fileName.startsWith("/")) {
			throw new IllegalArgumentException();
		}
		final String data = incoming.get(fileName);
		if (data != null) {
			return data.getBytes();
		}
		final byte data2[] = outgoing.get(fileName);
		if (data2 != null) {
			return data2;
		}
		return new byte[0];
	}

	public synchronized int getSize(String fileName) {
		if (fileName.startsWith("/")) {
			throw new IllegalArgumentException();
		}
		final String data = incoming.get(fileName);
		if (data != null) {
			return data.length();
		}
		final byte data2[] = outgoing.get(fileName);
		if (data2 != null) {
			return data2.length;
		}
		return 0;
	}

	public void processImage(String fileName) throws IOException {
		if (fileName.startsWith("/")) {
			throw new IllegalArgumentException();
		}
		final SourceStringReader sourceStringReader = new SourceStringReader(incoming.get(fileName));
		final ByteArrayOutputStream baos = new ByteArrayOutputStream();
		final FileFormat format = FileFormat.PNG;
		final String ok = sourceStringReader.generateImage(baos, new FileFormatOption(format));
		final String pngFileName = format.changeName(fileName, 0);
		final String errorFileName = pngFileName.substring(0, pngFileName.length() - 4) + ".err";
		outgoing.remove(pngFileName);
		outgoing.remove(errorFileName);
		if (ok != null) {
			synchronized (this) {
				outgoing.put(pngFileName, baos.toByteArray());
				if (ok.startsWith("(Error)")) {
					final ByteArrayOutputStream errBaos = new ByteArrayOutputStream();
					sourceStringReader.generateImage(errBaos, new FileFormatOption(FileFormat.ATXT));
					errBaos.close();
					outgoing.put(errorFileName, errBaos.toByteArray());
				}
			}
		}
	}

	public synchronized void delete(String fileName) {
		incoming.remove(fileName);
		outgoing.remove(fileName);
	}

}